1 / 22

Lofar -Surveys and AstroWise

Lofar -Surveys and AstroWise. OmegaCEN NOVA – Kapteyn Institute -RuG 8 March 2007 Lofar Survey Workshop. Edwin A. Valentijn. “Moore’s law” for N-body simulations. Courtesy Simon White. Instrument: e-science. = share resources beyond workstation Compute power:

kalani
Télécharger la présentation

Lofar -Surveys and AstroWise

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lofar -Surveys andAstroWise OmegaCEN NOVA – Kapteyn Institute -RuG 8 March 2007 Lofar Survey Workshop Edwin A. Valentijn

  2. “Moore’s law” for N-body simulations Courtesy Simon White

  3. Instrument: e-science = share resources beyond workstation • Compute power: • AstroWise grid (RuG, Leiden, MPE, Bonn, INAF) • EGEE-3 • Storage: • AstroWise fileservers (Leiden, RuG, Nijmegen, MPE, Bonn, INAF) • BiG GRID (RuG- NikHef- SARA) • Database: all meta + calibration +source data • AstroWise - Oracle • Application programs + doc’s • Web services • Interoperability: EGEE- EURO-VO

  4. Scattered Archives FIRST ROSAT GAIA 2MASS SDSS

  5. Euro-VO FIRST ROSAT GAIA 2MASS SDSS

  6. ALADIN • Manipulation • X-match • Visualization • Direct links to: CDS Aladin

  7. TOPCAT VOTable view

  8. Large Hadron Collider Tier-0 (CERN): copy of all raw data Tier-1 (~8-10 centers) archive 1/n fraction of raw data & reconstructed data regular re-processing of the raw data archiving data from Tier-2 centers provide central grid services: grid accessible computing and data resources support coordination Tier-2 (~100 centers): data analyses no data archiving LOFAR Tier-0 (RUG): central processor lots of processing, limited archive Tier-1 (~6-8 centers) specialized science analysis advanced processing of (large) data sets dedicated archive, also for Tier-2 centers provide central grid services: grid accessible computing and data resources support coordination Tier-2 (~100 centers): individual scientists data analyses no data archiving Multi-tier models for LHC & LOFAR

  9. AstroWise paradigm

  10. Virtual Survey Telescope • raw pixel data  pipelines/cal files  catalogues • all integrated in one information system • 100% data lineage • 1 dec 2006 delivered! • distributed services • processing GRID Storage GRID • Methods/services GRID NL:Leiden, Nijmegen, Groningen EU: Napoli, Munchen, Bonn, Heidelberg, Paris Santiago

  11. Current Instruments/projects • VST- OmegaCAM • GT, KIDS, VESUVIO, OmegaWhite, OmegaTrans • VISTA • UltraVISTA, VIKING via Edinb. • SuprimeCAM @ Subaru • WFI@2.2m, WFC@ING • ACS@HST Coma legacy survey • Panstarrs • Lofar • Surveys • EoR

  12. Lofar Storage

  13. Astro-Wise VO Properties Benefits integrated dynamic db • on-the fly re-processing • 5LS: 5 Lines Script • All bits are traced • Administration for parallel processing compute GRID SETI@home • Global solutions –astrometry/photometry • Build–in workflow • Fully user tunable – own provided script • Context: projects/surveys, instruments, mydb • Publish directly in EURO-VO

  14. TARGET diagramLofar Survey/ ST ACS

  15. www.astro-wise.org

  16. www.ASTRO-WISE/portal

  17. Web services- object viewer

  18. Web services- object makercompute GRID

  19. Planning 2007 • ADD with Astron - enable communities • Publish WENSS in VO • connect to EGEE • AstroWise at Astron • Build e-SOC at RC RuG • Source extraction -> source parameters services • Involve Lofar community

  20. e-science  me-science

More Related